Cramer said that Yahoo!'s core business is worth at least $7.17 a share, taking the total value up to $22 a share. He said with Mayer at the helm, it's easy to think the stock will begin to move once the company reports on Oct. 22 and outlines more of its plans. Companies cannot execute a turnaround plan, or any plan, without a solid CEO, Cramer concluded, and Yahoo! finally has one.